displacement. that's what animates al qaeda and isis. the sort f insurrectionists, that sense that you're losing something, that justifies violence. >> tree of life, el paso shooter, ideologies to look out for. coming up next, president biden will lay a wreath in shanksville to honor heroes who were passengers and crew on that flight. and we hear from two government officials inside the white house and congress on 9/11, 2001. this is cnn special live coverage. stay with us. subway® has so much new it didn't fit in our last ad. like the new artisan italian and hearty multigrain bread. it's the eat fresh refresh™ at subway®. it's so much new there's no time for serena! wait, what?! sorry, we don't even have time to say they were created by world class bakers! oh, guess we did! seriously?! my bad.